factorise 4(2x-3y)²-8x+12y-3
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Step-by-step explanation:
4(2x-3y)²-8x+12y-3
4(2x-3y)²-4(2x-3y)¹ -3(2x-3y)^0
(2x-3y) [ 4(2x-3y) -4-3]
(2x-3y) [ 4(2x-y)-7]
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